StarItUtil.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2013 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.starit;
 
import java.util.Collection;
import java.util.Date;
import java.util.List;
import org.amic.util.date.CheckDate;
import org.turro.string.Strings;
import org.turro.contacts.Contact;
import org.turro.contacts.StarIt;
import org.turro.contacts.db.ContactsPU;
import org.turro.entities.Entities;
import org.turro.jpa.Dao;
import org.turro.plugin.contacts.SoftContact;
 
public class StarItUtil {
 
  public static void addStars(Object entity, int stars, SoftContact contact) {
    String path = Entities.getController(entity).getPath();
    if(path != null) {
      addStars(path, stars, contact);
    }
  }
  
  public static void addStars(String path, int stars, SoftContact contact) {
    if(!Strings.isBlank(path) && contact != null && contact.isValid()) {
      Dao dao = new ContactsPU();
      if(((Long) dao.getSingleResult(
            " select count(*) from StarIt " +
            " where path = ? " +
            " and (creator = ? or author_ip = ?)",
            new Object[] { path, contact.getContact(), contact.author_ip }
            )) == 0) {
        StarIt starIt = new StarIt();
        starIt.setCreator((Contact) contact.getContact());
        starIt.setAuthor_ip(contact.author_ip);
        starIt.setDateCreation(new Date());
        starIt.setStars(stars);
        starIt.setPath(path);
        dao.saveObject(starIt);
      } else {
        changeStars(path, stars, contact);
      }
    }
  }
 
  public static void removeStars(Object entity, SoftContact contact) {
    String path = Entities.getController(entity).getPath();
    if(path != null) {
      removeStars(path, contact);
    }
  }
  
  public static void removeStars(String path, SoftContact contact) {
    if(!Strings.isBlank(path) && contact != null && contact.isValid()) {
      Dao dao = new ContactsPU();
      if(contact.getContact() != null) {
        dao.executeUpdate(
                " delete from StarIt " +
                " where path = ? " +
                " and creator = ?",
                new Object[] { path, contact.getContact() }
                );
      } else {
        dao.executeUpdate(
                " delete from StarIt " +
                " where path = ? " +
                " and (creator is null and author_ip = ?)",
                new Object[] { path, contact.author_ip }
                );
      }
    }
  }
 
  public static void changeStars(Object entity, int newStars, SoftContact contact) {
    String path = Entities.getController(entity).getPath();
    if(path != null) {
      changeStars(path, newStars, contact);
    }
  }
  
  public static void changeStars(String path, int newStars, SoftContact contact) {
    if(!Strings.isBlank(path) && contact != null && contact.isValid()) {
      Dao dao = new ContactsPU();
      if(contact.getContact() != null) {
        dao.executeUpdate(
                " update StarIt " +
                " set stars = ? " +
                " where path = ? " +
                " and creator = ?",
                new Object[] { newStars, path, contact.getContact() }
                );
      } else {
        dao.executeUpdate(
                " update StarIt " +
                " set stars = ? " +
                " where path = ? " +
                " and creator is null and author_ip = ?",
                new Object[] { newStars, path, contact.author_ip }
                );
      }
    }
  }
 
  public static StarsInfo stars(Object entity) {
    String path = Entities.getController(entity).getPath();
    if(path != null) {
      return stars(path);
    }
    return null;
  }
  
  public static StarsInfo stars(String path) {
    Dao dao = new ContactsPU();
    Object o[] = (Object[]) dao.getSingleResult(
            " select sum(stars), count(stars) from StarIt " +
            " where path = ?",
            new Object[] { path }
            );
    if(o != null) {
      StarsInfo si = new StarsInfo();
      si.stars = o[0] == null ? 0 : (Long) o[0];
      si.count = o[1] == null ? 0 : (Long) o[1];
      return si;
    }
    return null;
  }
 
  public static List<StarIt> allStars(Object entity) {
    String path = Entities.getController(entity).getPath();
    if(path != null) {
      return allStars(path);
    }
    return null;
  }
  
  public static List<StarIt> allStars(String path) {
    Dao dao = new ContactsPU();
    return dao.getResultList(
            " select s from StarIt as s " +
            " where s.path = ?",
            new Object[] { path }
            );
  }
 
  public static Collection<String> paths(String path, int fromDays) {
    Dao dao = new ContactsPU();
    return dao.getResultList(
            " select g.path from StarIt g " +
            " where g.path like ? " +
            " and g.dateCreation >= ?",
            new Object[] { path + "/%", new CheckDate().addDays(-fromDays).getDate() }
            );
  }
 
  private StarItUtil() {
  }
 
}